, 54 WOLF FISH, Class IV. 



the canine teeth in that jaw, but in the upper are 

 feparate from them. 



In the centre are two rows of flat ftrong teeth, 

 fixed on an oblong bafis upon the bones of the pa- 

 late and nofe. 

 Bufonites. Thefe and the other grinding teeth are often 

 found foffil, and in that ftate called Bufonites? or 

 Toad-ftones : they were formerly much efteemed for 

 their imaginary virtues, and were fet in gold, and 

 worn as rings. 



The two bones that form the under jaw are 

 united before by a loofe cartilage, which mecha- 

 nifm admitting of a motion from fide to fide, mod 

 evidently contributes to the defign of the whole, 

 viz. a facility of breaking, grinding, and commi- 

 nuting its teftaceous and cruftaceous food. At the 

 entrance of the gullet, above and below, are two 

 echinated bones : thefe are very fmall, being the 

 lefs necefiary, as the food is in a great meafure 

 comminuted in the mouth by aid of the grinders. 



The body is long, and a little comprefifed fide- 

 ways ; the fkin fmooth and flippery : it wants the 

 lateral line. 



The pectoral fins confift of eighteen rays, are 

 five inches long, and feven and a quarter broad. 



The dorfal fin extends from the hind part of the 

 head almoft to the tail ; the rays in the frefh fifii 

 are not vifible. 



The anal fin extends as far as the dorfal fin. 



The 



